One of the novels featuring Frank and Joe, crime-fighting sons of the famous detective, Fenton Hardy. A notorious jewel thief is in town, and the boys are sure he's up to no good. But the crook's sinister hideout has a weird and dangerous secret.
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Book Description Paperback. Book Condition: Fair. Bookseller Inventory # PL01497919B
Book Description Collins, United Kingdom, 1971. Hardcover. Book Condition: Good+. 5"x 7.1/2". Bookseller Inventory # 062610